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DETAIL OF SIGNIFICANT STATEMENT OF FINANCIAL POSITION AND STATEMENT OF COMPREHENSIVE INCOME CAPTIONS, Other Operating Results (Details) - ARS ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
DETAIL OF SIGNIFICANT STATEMENT OF FINANCIAL POSITION AND STATEMENT OF COMPREHENSIVE INCOME CAPTIONS [Abstract]
Net increase in provisions	[1]	$ (356,890)	$ (612,036)	$ (453,946)
Recovery of insurance		29,000	730,846	696,771
Recovery action of VAT and income tax		0	144,912	0
Others		251,392	(12,797)	50,697
Total		$ (76,498)	$ 250,925	$ 293,522
[1] Including legal expenses

X

- Definition

The amount of income recognised from the reimbursement of a claim as a result of the occurrence of an insured event covered by an insurance contract. [Refer: Types of insurance contracts [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2022-03-24

+ Details

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X

- Definition

The amount of operating income (expense) that the entity does not separately disclose in the same statement or note.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 85
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_85&doctype=Standard
-URIDate 2022-03-24

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X

- References

No definition available.

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X

- Definition

The amount of net adjustments for provisions includes judicial costs.

+ References

No definition available.

+ Details

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Namespace Prefix:	tgs_
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X

- Definition

The amount of other miscellaneous (income) expense that the entity does not separately disclose in the same statement or note.

+ References

No definition available.

+ Details

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X

- Definition

The amount of income recovery action of VAT and income tax.

+ References

No definition available.

+ Details

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